Notice to Members
Notice No. 139
04/16/2004
Change in Sport Month Margin Assessments for Natural Gas Basis Contracts
Effective Date: Wednesday, April 28, 2004 (close of business)
Contracts: Basis Swaps: Transco Zone 3 Basis (CZ), Columbia Gulf Onshore Basis (GL), Henry Hub Swap (HB), Chicago Swap (NB), Michcon Swap (NF), Houston Ship Channel Swap (NH), San Juan Swap (NJ), SUMAS Swap (NK), Northwest Pipeline Rockies Swap (NR), Socal Swap (NS), Waha Swap (NW), Texas Eastern Zone M-3 Swap (NX), Transco Zone 6 Swap (NZ), Panhandle Swap (PH), Permian Basin Swap (PM), TCO Swap (TC), Tectco ELA Basis (TE), Tetco Eastern South (TX)
Contract Months: Spot Months

New Spot Assessments
3 Business Days Prior to Start of Delivery Month
Contracts
Clearing Member
Assessments
Member Customer
Assessments
Non-Member
Customer Assessments
New
Old
New
Old
New
Old
CZ
$100
$500
$110
$550
$135
$675
GL
$100
$500
$110
$550
$135
$675
HB
$0
$500
$0
$550
$0
$675
NB
$100
$500
$110
$550
$135
$675
NF
$100
$500
$110
$550
$135
$675
NH
$100
$500
$110
$550
$135
$675
NJ
$100
$500
$110
$550
$135
$675
NK
$0
$500
$0
$550
$0
$675
NR
$0
$500
$0
$550
$0
$675
NS
$100
$500
$110
$550
$135
$675
NW
$100
$500
$110
$550
$135
$675
NX
$0
$500
$0
$550
$0
$675
NZ
$0
$500
$0
$550
$0
$675
PH
$200
$500
$220
$550
$270
$675
PM
$100
$500
$110
$550
$135
$675
TC
$0
$500
$0
$550
$0
$675
TE
$0
$500
$0
$550
$0
$675
TX
$100
$500
$110
$550
$135
$675

This notice supersedes all previous notices regarding spot month margin assessments for Natural Gas Basis Futures Contracts.
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com